Arctic Cat 2015 ZR 5000 Service Manual page 191

9. Remove the cap screw securing the rear arm to the
idler arm. Account for the aluminum axle.
10. Remove the cap screw and lock nut securing the rear
arm to the slide rail. Account for the serrated axles
and axle tube.
CLEANING AND INSPECTING
1. Clean the bearings with a clean cloth.
2. Inspect each idler wheel for cracks or damage.
3. Inspect the bushings (located in the arm pivot area)
for wear or damage.
4. Inspect all welds and the tubing of the rear arm/idler
arm for cracks or unusual bends.
5. Inspect the two adjusting cams for damage.
6. Rotate the idler wheel bearings (by hand) and check
for binding or roughness.
7. If a bearing must be replaced, see Idler Wheels/
Mounting Blocks - Cleaning and Inspecting in this
sub-section.
INSTALLING
1. Place the rear arm assembly into position between
the slide rails. Secure with a cap screw and lock nut.
Tighten to 40 ft-lb.
2. Install the rear arm onto the idler arm with an alumi-
num axle and two cap screws. Tighten to 40 ft-lb.
3. With the sleeves installed, install the shock absorber
link to the lower mounting hole of the idler arm
along with the cap screw and lock nut; then secure
the shock absorber to the idler arm with cap screws
and lock nuts. Tighten securely.
 NOTE: Do not over-tighten the shock absorber cap
FZ101A
screw as the shock eyelet must be free to pivot.
 NOTE: Install the rear arm springs onto the adjuster
cams after the skid frame has been installed.
4. Slide the sleeves and springs onto the idler arm.
5. Place the spring slide and slide block (with spring in
slide block) into position on the slide rail. Secure
with a cap screw and washer. Tighten to 20 ft-lb.
6. With wheel insertion tool, install the rear upper idler
wheel on the idler arm.
When driving the idler wheel onto the idler arm, use a
tool to contact the inside race of the bearing or dam-
age to the wheel or bearing may occur.
7. Install the idler spacer collar onto the idler arm.
8. Place the flared bushing with a thin flat washer
through the notched side of the offset arm assembly.
 NOTE: If the flared bushing in the offset arm is
loose, it must be cleaned and green Loctite #609
must be applied to it prior to installation.
9. Align the marks on the idler arm to the centerline of
the offset arm assembly. Secure the offset arm to the
idler arm with cap screws and lock nuts. Tighten to
YM-122A
20 ft-lb.
CAUTION
YM-121
MS072A
189